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A211797 as a simple table

na(n)
00
10
21
315
455
5156
6338
7666
81159
91905
102950
114399
126275
138748
1411847
1515721
1620450
1726228
1833078
1941271
2050799
2161947
2274832
2389674
24106480
25125659
26147291
27171618
28198767
29229139
30262698
31300007
32340983
33386100
34435544
35489598

[0,0,1,15,55,156,338,666,1159,1905,2950,4399,6275,
 8748,11847,15721,20450,26228,33078,41271,50799,
 61947,74832,89674,106480,125659,147291,171618,
 198767,229139,262698,300007,340983,386100,435544,
 489598]